Quantum Speed Limit and Nonclassicality in Open Quantum System Models Using the Wigner Function
Sign Up to like & getrecommendations! Published in 2024 at "Annalen der Physik"
DOI: 10.1002/andp.202400194
Abstract: The quantum speed limit and the Wigner function of open system models are studied. To this end, the phase covariant and a two‐qubit model interacting with a squeezed thermal bath via position‐dependent coupling are used.… read more here.
Keywords: quantum speed; speed limit; wigner function; system models ... See more keywords
Quantum Speed Limit of a Two-Level System Interacting with Multiple Bosonic Reservoirs
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-019-04325-y
Abstract: A physical model for a two-level atom simultaneously coupled to multiple Bosonic reservoirs is investigated. The explicit expression of quantum speed limit is obtained. Analysis show that as long as the number of reservoirs satisfies… read more here.
Keywords: quantum speed; two level; system; multiple bosonic ... See more keywords
A close examination of speed limit credibility and compliance on UK roads
Sign Up to like & getrecommendations! Published in 2020 at "Iatss Research"
DOI: 10.1016/j.iatssr.2019.05.003
Abstract: Abstract Speed is at the core of the road safety problem and speed management is a tool for road safety. Speed limits that are more credible are supposed to encourage drivers to comply with speed… read more here.
Keywords: speed; close examination; road safety; speed limit ... See more keywords
Coordinated Variable Speed Limit, Ramp Metering and Lane Change Control of Highway Traffic
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.982
Abstract: Abstract Integrated variable speed limit and ramp metering control for highway traffic is expected to smooth the traffic flow and improve the mobility of highway networks. Our recent results showed that variable speed limit control… read more here.
Keywords: traffic; control; variable speed; speed limit ... See more keywords
Evaluation of Integrated Variable Speed Limit and Lane Change Control for Highway Traffic Flow
Sign Up to like & getrecommendations! Published in 2021 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2021.06.015
Abstract: Abstract A sudden lane drop on a freeway with high volume of vehicles can cause severe traffic congestion and safety issues. Forced lane changes near the bottleneck reduce the traffic mobility on all lanes and… read more here.
Keywords: traffic; lane; control; speed ... See more keywords
A universal speed limit for spreading of coherence
Sign Up to like & getrecommendations! Published in 2024 at "Nature"
DOI: 10.1038/s41586-025-09735-z
Abstract: Discoveries of fundamental limits for the rates of physical processes, from the speed of light to the Lieb–Robinson bound for information propagation1,2, often lead to breakthroughs in the understanding of the underlying physics. Here we… read more here.
Keywords: speed limit; limit spreading; spreading coherence; universal speed ... See more keywords
Overcoming the “speed limit” in fusion-mediated biological processes
Sign Up to like & getrecommendations! Published in 2025 at "Low Temperature Physics"
DOI: 10.1063/10.0036803
Abstract: Condensed matter studies have shown that fusion of two lipid membranes requires drastic structural rearrangements and is thus intrinsically slow. Interestingly, all forms of life on Earth use fusion to carry out some of the… read more here.
Keywords: fusion; speed limit; overcoming speed; fusion mediated ... See more keywords
Coronary flow velocity at rest: a speed limit for a safe prognostic journey?
Sign Up to like & getrecommendations! Published in 2022 at "Acta Cardiologica"
DOI: 10.1080/00015385.2021.2020483
Abstract: Abstract The study presented by Zagatina and co-workers in the present issue of the Journal raises an interesting issue. Coronary flow velocity at rest is usually associated with dynamic assessment during stress but it may… read more here.
Keywords: coronary flow; flow velocity; speed limit; rest speed ... See more keywords
The effect of speed limit reductions in urban areas on cyclists' injuries in collisions with cars.
Sign Up to like & getrecommendations! Published in 2019 at "Traffic injury prevention"
DOI: 10.1080/15389588.2019.1680836
Abstract: Objective: Impact speed is one of the most important factors explaining the severity of injuries to cyclists when they collide with passenger cars. To reduce injury severity (especially for vulnerable road users), since 2008, Swedish… read more here.
Keywords: urban areas; speed; severity; speed limit ... See more keywords
Tightening of quantum speed limit bound and tracing back information under non-Markovian dynamics
Sign Up to like & getrecommendations! Published in 2025 at "Physica Scripta"
DOI: 10.1088/1402-4896/addafb
Abstract: Quantum theory sets a fundamental bound for the minimal time evolution between initial and final state of a system . This bound is called quantum speed limit time , which is used to quantify the… read more here.
Keywords: limit time; quantum speed; speed limit;
Controlling the quantum speed limit time for unital maps via filtering operations
Sign Up to like & getrecommendations! Published in 2020 at "Laser Physics Letters"
DOI: 10.1088/1612-202x/abac15
Abstract: The minimum time a system needs to change from an initial state to a final orthogonal state is called quantum speed limit time. Quantum speed limit time can be used to quantify the speed of… read more here.
Keywords: quantum speed; time; limit time; speed limit ... See more keywords